**Core Concept**
The question tests the student's knowledge of cranial nerves and their components, specifically **somatic efferent** fibers which are involved in the voluntary control of skeletal muscles. Cranial nerves are complex, containing various types of fibers, including **sensory**, **motor**, and **parasympathetic** components. Understanding the specific functions and components of each cranial nerve is crucial.

**Why the Correct Answer is Right**
To answer this question, one must identify which cranial nerve does not contain **somatic efferent** fibers. The correct answer is based on the anatomy and function of the cranial nerves, specifically those that control voluntary movements of skeletal muscles.

**Why Each Wrong Option is Incorrect**
**Option A:** Typically, this option would correspond to a cranial nerve that indeed has somatic efferent fibers, such as those controlling eye movements.
**Option B:** Similarly, this might represent another cranial nerve with somatic efferent components, like those involved in facial expressions.
**Option C:** This could be a nerve with mixed functions, including somatic efferent fibers, involved in movements like chewing.

**Clinical Pearl / High-Yield Fact**
It's essential to remember that **cranial nerve II (Optic nerve)** is purely sensory, carrying visual information, and does not contain somatic efferent fibers. This distinction is critical for understanding the functional roles of the cranial nerves.

**Correct Answer:** Correct Answer: D. Cranial Nerve II (Optic nerve).